A visitor to the China International Big Data Industry Expo 2019 explores a hall called “prism,” which is filled with digital artwork. The art is part of an exhibition will be held on May 24 to kick off the expo in Guiyang, Southwest China’s Guizhou province. Photo: IC Photo

A visitor takes a photo of shining optical fibers on Monday. Photo: IC Photo

Optical fibers hang down from the ceiling like bead curtains. Photo: IC Photo

An art installation at the exhibition called “flow.” Photo: IC Photo

Workers prepare for the upcoming event. Photo: IC Photo

Workers prepare the expo venue on Monday. Photo: IC Photo